Nine ESS sites installed (eight commissioned). O&M: $66,150 for extended warranty (for all ESS), Power = $25,394 (for all ESS). Communication = $27,892 (for all ESS). Communication was a mixture of direct phone and freewave radio. Direct phone averaged $37 per month. Direct power averaged $25 per month. Three sites also used a power module with generator backup. Propane costs were around $1,400 per quarter. Not all ESS sites were the same. Some were pavement sensor only sites.

Installation costs for a weather station (RWIS-ESS) at Laurier including a camera system and tower, and an array of sensors (wind speed, temp, precipitation, pavement conditions, and humidity) to collect images and data costs $44,383. Other ancillary costs associated with construction, housing , and power hook-up can raise cost to $83,403 per site.

Installation of a weather station (RWIS-ESS) at Sherman Pass for real-time observation of conditions using a camera system and tower, cellular phone communications, and an array of sensors (pavement temp, surface condition, solution freeze point, sub-grade temp, wind speed and direction, precipitation type and intensity, visibility, air temp, rel. humidity, and atmospheric pressure) costs $45,384. Other ancillary costs associated with construction, housing, and propane power system can raise cost to $170,000 per site.

Roadway Weather Information System (RWIS) station. Includes purchase and installation. Costs vary depending on number and type of additional cost if communication services are leased, sensors, power, and communications.

Roadway Weather Information System (RWIS) station. Includes purchase and installation. Costs vary depending on number and type of additional cost if communication services are leased, sensors, power, and communications.